Co2 Cartridge
a concentrated shelf (top 5 take 79% of clicks) — Co2 Cartridge doesn't clear our bar today.
Flapen Score
Is Co2 Cartridge profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Co2 Cartridge is a £181K/yr Amazon United Kingdom market (143K searches/yr). The top 5 brands hold 86% of demand. Verdict: Skip it — 49/100.
Co2 Cartridge: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Not really. Search demand moved +15.0% over the last 90 days and 7.6% of searches end in a purchase.
£181K
revenue / yr
Who owns the niche?
The top 5 brands hold 86% of demand, so 14% of the market is open.
14%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.
0/100
page quality · 11 products
Top Co2 Cartridge products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
Umarex 20 x 12g Co2 Gas Capsules Cartridge Air Rifle Pistol Gun Airgun 12 Gram CO2
- Price
- £11.46
- Rating
- 4.7/5
- Reviews
- 1,207
- Age
- 10y ago

CO2 cartridge (10pk) 16g C02 Cartridges Threaded For CO2 Bike Tyre Inflator
- Price
- £10.65
- Rating
- 4.6/5
- Reviews
- 13,331
- Age
- 8y ago

Umarex 12gram Airgun Co2 Cartridge 50 Pack - 12 gram Powerlets Bulbs Suits All Popular Co2 Pellet and BB Guns Inc. Crosman Gamo and Swith Wesson etc.
- Price
- £20.51
- Rating
- 4.8/5
- Reviews
- 765
- Age
- 10y ago

BISLEY 12g CO2 Cartridges for Airsoft Guns Pack of 50 Non-Threaded Gas Canisters Steel CO2 Capsules for Airsoft BB Gun CO2-Powered Devices & Gear
- Price
- £17.72
- Rating
- 4.2/5
- Reviews
- 18
- Age
- 9mo ago

KONG MING CAR CO2 Cartridges with Thread 16g/25g CO2 Cartridges with Thread Connection for All CO2 Bicycle Tyre Fillers CO2 Pump for Road Bikes and Mountain Bikes (16G-6PCS)
- Price
- £9.65
- Rating
- 4.6/5
- Reviews
- 113
- Age
- 2y ago
Trending
90-day click momentum
CXWXC CO2 Inflator Kit with 16g/ 25g CO2 Cartridges - Presta & Schrader Valve Compatible - CO2 Bike Pump for Road and Mountain Bikes
- Price
- £18.04
- Rating
- 4.4/5
- Reviews
- 1,097
- Age
- 5y ago

FizzIt Pro 425g CO2 Cylinders Carbonates Up to 120L Refillable Soda Makers Fits Most Screw-Type Compatible Models Efficient Carbonation for Water & Beverages Compact & Cost-Effective (Pack of 2)
- Price
- £33.13
- Rating
- 4.4/5
- Reviews
- 97
- Age
- 1y ago

KONG MING CAR CO2 Cartridges with Thread 16g/25g CO2 Cartridges with Thread Connection for All CO2 Bicycle Tyre Fillers CO2 Pump for Road Bikes and Mountain Bikes (16G-6PCS)
- Price
- £9.65
- Rating
- 4.6/5
- Reviews
- 113
- Age
- 2y ago

Dual Pack CO2 YOU Gas Cylinder (SCREW IN) 60 Litre for Home Carbontators - Check Your Compatibility Below
- Price
- £33.30
- Rating
- 4.3/5
- Reviews
- 145
- Age
- 1y ago

BISLEY 12g CO2 Cartridges for Airsoft Guns Pack of 50 Non-Threaded Gas Canisters Steel CO2 Capsules for Airsoft BB Gun CO2-Powered Devices & Gear
- Price
- £17.72
- Rating
- 4.2/5
- Reviews
- 18
- Age
- 9mo ago
Newest
by launch date
BISLEY 12g CO2 Cartridges for Airsoft Guns Pack of 50 Non-Threaded Gas Canisters Steel CO2 Capsules for Airsoft BB Gun CO2-Powered Devices & Gear
- Price
- £17.72
- Rating
- 4.2/5
- Reviews
- 18
- Age
- 9mo ago

Dual Pack CO2 YOU Gas Cylinder (SCREW IN) 60 Litre for Home Carbontators - Check Your Compatibility Below
- Price
- £33.30
- Rating
- 4.3/5
- Reviews
- 145
- Age
- 1y ago

FizzIt Pro 425g CO2 Cylinders Carbonates Up to 120L Refillable Soda Makers Fits Most Screw-Type Compatible Models Efficient Carbonation for Water & Beverages Compact & Cost-Effective (Pack of 2)
- Price
- £33.13
- Rating
- 4.4/5
- Reviews
- 97
- Age
- 1y ago

KONG MING CAR CO2 Cartridges with Thread 16g/25g CO2 Cartridges with Thread Connection for All CO2 Bicycle Tyre Fillers CO2 Pump for Road Bikes and Mountain Bikes (16G-6PCS)
- Price
- £9.65
- Rating
- 4.6/5
- Reviews
- 113
- Age
- 2y ago

CXWXC CO2 Inflator Kit with 16g/ 25g CO2 Cartridges - Presta & Schrader Valve Compatible - CO2 Bike Pump for Road and Mountain Bikes
- Price
- £18.04
- Rating
- 4.4/5
- Reviews
- 1,097
- Age
- 5y ago
Competition: brands, sellers & click share
The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.
Brands
8 falling
Sellers
18
Top-5 brand share
86%
Top 20: 92%
Top-5 click share
79%
Top 20: 100%
Open market
6%
- Umarex39%
- ICO31%
- --8%
- KONG MING CAR7%
- ARSUK6%
- CO2 YOU3%
- Open — no brand owns it (2 brands, 6%)
Co2 Cartridge demand & seasonality
Weekly search volume, with the niche's key stats alongside.
No pronounced peak months · busiest ÷ quietest = 1.4×
Top Co2 Cartridge search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- co2 cartridge72K/yr
- 12g co2 cartridge26K/yr
- co217K/yr
- c02 cartridges8K/yr
- co2 canisters6K/yr
- 12g co2 cartridge air pistol4K/yr
- co2 cartridge 12g4K/yr
- umarex co2 cartridge 12g4K/yr
What reviews say buyers love and hate about Co2 Cartridge
What buyers mention most, as a share of all reviews.
What buyers love
96% of reviews“Good value for money”
“Good quality”
“Works as it should”
“good fit”
“Great for my gas cartridge inflated scuba SMB”
What buyers complain about
83% of reviews“Misleading at best”
“It seems to me that there is an issue with Quality Control at this company”
“Leaks”
“The saturator is not compatible with others”
“The cap is not perfectly flat it has a slight indentation causing the pin to fail to puncture correctly causing ice up”
Co2 Cartridge return rate & reasons
Why buyers send it back, as a share of all return requests.
0.4%
Return rate
80%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Co2 Cartridge questions
The questions sellers ask about this niche, answered from the tracked metrics.
Best Flapen score
The highest-scoring niches we track right now, across every category.









